

.settings{width: 800px;margin:auto;}
.settings .btn{ background-color: #fff; border-radius: 5px;margin:0 5px;}
.settings .common-input{width: 50px; border-radius: 5px;}
.squre{width:800px;height:800px;border:solid 2px;margin:5% auto;}
.ball{width:98px;height:98px;border:solid 1px ;border-radius:50px; margin:350px;}
.smallball{width:30px;height:30px;border-radius:15px; margin:35px;}